You can determine if you are circumcised by examining your penis. Under normal circumstances, the glans of the penis is exposed and not wrapped by the foreskin. Hypercircumcision will cause the glans to be wrapped by the foreskin in the state of weakness, but by turning the foreskin by hand, the foreskin can be turned over to reveal the glans and the coronal sulcus, or the glans can be completely exposed when the penis is in the state of erection. If you use your hand to turn the foreskin, the foreskin can not be turned to reveal the glans, the opening of the foreskin is narrow, tightly hooped in the glans, is a state of phimosis. The long foreskin need to pay attention to hygiene, more flip wash the foreskin, clean up the secretion of dirt and grime, if caused by the foreskin glans or affect the sensitivity of the glans, the need for surgical treatment; if there is a foreskin, you need to go to the hospital as soon as possible to take surgical treatment.